diff --git a/.dart_tool/flutter_gen/gen_l10n/l10n.dart b/.dart_tool/flutter_gen/gen_l10n/l10n.dart
index 767a51bd..4d7824b1 100644
--- a/.dart_tool/flutter_gen/gen_l10n/l10n.dart
+++ b/.dart_tool/flutter_gen/gen_l10n/l10n.dart
@@ -900,6 +900,12 @@ abstract class S {
   /// **'Save'**
   String get save;
 
+  /// No description provided for @saved.
+  ///
+  /// In en, this message translates to:
+  /// **'Saved'**
+  String get saved;
+
   /// No description provided for @second.
   ///
   /// In en, this message translates to:
diff --git a/.dart_tool/flutter_gen/gen_l10n/l10n_de.dart b/.dart_tool/flutter_gen/gen_l10n/l10n_de.dart
index 2af102eb..b22b8fb5 100644
--- a/.dart_tool/flutter_gen/gen_l10n/l10n_de.dart
+++ b/.dart_tool/flutter_gen/gen_l10n/l10n_de.dart
@@ -432,6 +432,9 @@ class SDe extends S {
   @override
   String get save => 'Speichern';
 
+  @override
+  String get saved => 'Gerettet';
+
   @override
   String get second => 's';
 
diff --git a/.dart_tool/flutter_gen/gen_l10n/l10n_en.dart b/.dart_tool/flutter_gen/gen_l10n/l10n_en.dart
index 234c04fe..3fa5db14 100644
--- a/.dart_tool/flutter_gen/gen_l10n/l10n_en.dart
+++ b/.dart_tool/flutter_gen/gen_l10n/l10n_en.dart
@@ -432,6 +432,9 @@ class SEn extends S {
   @override
   String get save => 'Save';
 
+  @override
+  String get saved => 'Saved';
+
   @override
   String get second => 's';
 
diff --git a/.dart_tool/flutter_gen/gen_l10n/l10n_zh.dart b/.dart_tool/flutter_gen/gen_l10n/l10n_zh.dart
index 81cf6336..8a1f2009 100644
--- a/.dart_tool/flutter_gen/gen_l10n/l10n_zh.dart
+++ b/.dart_tool/flutter_gen/gen_l10n/l10n_zh.dart
@@ -432,6 +432,9 @@ class SZh extends S {
   @override
   String get save => '保存';
 
+  @override
+  String get saved => '已保存';
+
   @override
   String get second => '秒';
 
@@ -1024,6 +1027,9 @@ class SZhTw extends SZh {
   @override
   String get save => '保存';
 
+  @override
+  String get saved => '已保存';
+
   @override
   String get second => '秒';
 
diff --git a/lib/core/extension/sftpfile.dart b/lib/core/extension/sftpfile.dart
new file mode 100644
index 00000000..9eb17171
--- /dev/null
+++ b/lib/core/extension/sftpfile.dart
@@ -0,0 +1,15 @@
+import 'package:dartssh2/dartssh2.dart';
+
+extension SftpFile on SftpFileMode {
+  String get str {
+    final user = getRoleMode(userRead, userWrite, userExecute);
+    final group = getRoleMode(groupRead, groupWrite, groupExecute);
+    final other = getRoleMode(otherRead, otherWrite, otherExecute);
+
+    return '$user$group$other';
+  }
+}
+
+String getRoleMode(bool r, bool w, bool x) {
+  return '${r ? 'r' : '-'}${w ? 'w' : '-'}${x ? 'x' : '-'}';
+}
diff --git a/lib/core/route.dart b/lib/core/route.dart
index 6369628c..c9263177 100644
--- a/lib/core/route.dart
+++ b/lib/core/route.dart
@@ -7,8 +7,11 @@ class AppRoute {
 
   AppRoute(this.page, this.title);
 
-  void go(BuildContext context) {
+  Future<T?> go<T>(BuildContext context) {
     Analysis.recordView(title);
-    Navigator.push(context, MaterialPageRoute(builder: (context) => page));
+    return Navigator.push<T>(
+      context,
+      MaterialPageRoute(builder: (context) => page),
+    );
   }
 }
diff --git a/lib/core/utils/misc.dart b/lib/core/utils/misc.dart
index d336835f..e8468da9 100644
--- a/lib/core/utils/misc.dart
+++ b/lib/core/utils/misc.dart
@@ -67,3 +67,9 @@ String? getFileName(String? path) {
 void rebuildAll(BuildContext context) {
   RebuildWidget.restartApp(context);
 }
+
+String getTime(int? unixMill) {
+  return DateTime.fromMillisecondsSinceEpoch((unixMill ?? 0) * 1000)
+      .toString()
+      .replaceFirst('.000', '');
+}
diff --git a/lib/data/model/server/conn_status.dart b/lib/data/model/server/conn.dart
similarity index 86%
rename from lib/data/model/server/conn_status.dart
rename to lib/data/model/server/conn.dart
index 331f4e21..a95870ac 100644
--- a/lib/data/model/server/conn_status.dart
+++ b/lib/data/model/server/conn.dart
@@ -1,13 +1,13 @@
 import '../../../core/extension/stringx.dart';
 import '../../res/misc.dart';
 
-class ConnStatus {
+class Conn {
   final int maxConn;
   final int active;
   final int passive;
   final int fail;
 
-  ConnStatus({
+  Conn({
     required this.maxConn,
     required this.active,
     required this.passive,
@@ -15,13 +15,13 @@ class ConnStatus {
   });
 }
 
-ConnStatus? parseConn(String raw) {
+Conn? parseConn(String raw) {
   final lines = raw.split('\n');
   final idx = lines.lastWhere((element) => element.startsWith('Tcp:'),
       orElse: () => '');
   if (idx != '') {
     final vals = idx.split(numReg);
-    return ConnStatus(
+    return Conn(
       maxConn: vals[5].i,
       active: vals[6].i,
       passive: vals[7].i,
diff --git a/lib/data/model/server/cpu_status.dart b/lib/data/model/server/cpu.dart
similarity index 97%
rename from lib/data/model/server/cpu_status.dart
rename to lib/data/model/server/cpu.dart
index 4b6a69aa..7364f5c6 100644
--- a/lib/data/model/server/cpu_status.dart
+++ b/lib/data/model/server/cpu.dart
@@ -1,7 +1,7 @@
-class CpuStatus {
+class Cpus {
   List<OneTimeCpuStatus> _pre;
   List<OneTimeCpuStatus> _now;
-  CpuStatus(this._pre, this._now);
+  Cpus(this._pre, this._now);
 
   double usedPercent({int coreIdx = 0}) {
     if (_now.length != _pre.length) return 0;
diff --git a/lib/data/model/server/disk_info.dart b/lib/data/model/server/disk.dart
similarity index 87%
rename from lib/data/model/server/disk_info.dart
rename to lib/data/model/server/disk.dart
index 58349905..420fa38a 100644
--- a/lib/data/model/server/disk_info.dart
+++ b/lib/data/model/server/disk.dart
@@ -1,6 +1,6 @@
 import '../../res/misc.dart';
 
-class DiskInfo {
+class Disk {
   final String path;
   final String loc;
   final int usedPercent;
@@ -8,7 +8,7 @@ class DiskInfo {
   final String size;
   final String avail;
 
-  DiskInfo({
+  Disk({
     required this.path,
     required this.loc,
     required this.usedPercent,
@@ -18,8 +18,8 @@ class DiskInfo {
   });
 }
 
-List<DiskInfo> parseDisk(String raw) {
-  final list = <DiskInfo>[];
+List<Disk> parseDisk(String raw) {
+  final list = <Disk>[];
   final items = raw.split('\n');
   items.removeAt(0);
   var pathCache = '';
@@ -36,7 +36,7 @@ List<DiskInfo> parseDisk(String raw) {
       vals[0] = pathCache;
       pathCache = '';
     }
-    list.add(DiskInfo(
+    list.add(Disk(
       path: vals[0],
       loc: vals[5],
       usedPercent: int.parse(vals[4].replaceFirst('%', '')),
diff --git a/lib/data/model/server/server_status.dart b/lib/data/model/server/server_status.dart
index e8bde5e7..3eccd31a 100644
--- a/lib/data/model/server/server_status.dart
+++ b/lib/data/model/server/server_status.dart
@@ -1,19 +1,19 @@
 import 'package:toolbox/data/model/server/temp.dart';
 
-import 'cpu_status.dart';
-import 'disk_info.dart';
+import 'cpu.dart';
+import 'disk.dart';
 import 'memory.dart';
 import 'net_speed.dart';
-import 'conn_status.dart';
+import 'conn.dart';
 
 class ServerStatus {
-  CpuStatus cpu;
+  Cpus cpu;
   Memory mem;
   Swap swap;
   String sysVer;
   String uptime;
-  List<DiskInfo> disk;
-  ConnStatus tcp;
+  List<Disk> disk;
+  Conn tcp;
   NetSpeed netSpeed;
   Temperatures temps;
   String? failedInfo;
diff --git a/lib/data/model/server/server_status_update_req.dart b/lib/data/model/server/server_status_update_req.dart
index 06492e24..b75c4f7b 100644
--- a/lib/data/model/server/server_status_update_req.dart
+++ b/lib/data/model/server/server_status_update_req.dart
@@ -1,10 +1,10 @@
 import '../../res/server_cmd.dart';
-import 'cpu_status.dart';
-import 'disk_info.dart';
+import 'cpu.dart';
+import 'disk.dart';
 import 'memory.dart';
 import 'net_speed.dart';
 import 'server_status.dart';
-import 'conn_status.dart';
+import 'conn.dart';
 
 class ServerStatusUpdateReq {
   final ServerStatus ss;
diff --git a/lib/data/model/sftp/download_worker.dart b/lib/data/model/sftp/download_worker.dart
index 2e37dd63..58a1c51e 100644
--- a/lib/data/model/sftp/download_worker.dart
+++ b/lib/data/model/sftp/download_worker.dart
@@ -85,7 +85,8 @@ class SftpDownloadWorker {
             mainSendPort.send((i + form.length) / size * 100);
           }
         }
-        localFile.close();
+        await localFile.close();
+        await file.close();
         mainSendPort.send(watch.elapsed);
         mainSendPort.send(SftpWorkerStatus.finished);
       } catch (e) {
diff --git a/lib/data/model/ssh/virtual_key.dart b/lib/data/model/ssh/virtual_key.dart
index 876cc81b..fe61cbc8 100644
--- a/lib/data/model/ssh/virtual_key.dart
+++ b/lib/data/model/ssh/virtual_key.dart
@@ -17,4 +17,4 @@ class VirtualKey {
   });
 }
 
-enum VirtualKeyFunc { toggleIME, backspace, copy, paste, snippet }
+enum VirtualKeyFunc { toggleIME, backspace, copy, paste, snippet, file }
diff --git a/lib/data/res/highlight.dart b/lib/data/res/highlight.dart
index 26a022f6..8033b75b 100644
--- a/lib/data/res/highlight.dart
+++ b/lib/data/res/highlight.dart
@@ -20,6 +20,7 @@ import 'package:highlight/languages/nix.dart';
 import 'package:highlight/languages/objectivec.dart';
 import 'package:highlight/languages/perl.dart';
 import 'package:highlight/languages/php.dart';
+import 'package:highlight/languages/plaintext.dart';
 import 'package:highlight/languages/powershell.dart';
 import 'package:highlight/languages/python.dart';
 import 'package:highlight/languages/ruby.dart';
@@ -34,7 +35,7 @@ import 'package:highlight/languages/yaml.dart';
 
 // KEY: fileNameSuffix
 // VAL: highlight
-final _suffix2HighlightMap = {
+final suffix2HighlightMap = {
   'dart': dart,
   'go': go,
   'rust': rust,
@@ -68,12 +69,16 @@ final _suffix2HighlightMap = {
   'html': htmlbars,
   'tex': tex,
   'vim': vim,
+  'plaintext': plaintext,
 };
 
 extension HighlightString on String? {
   Mode? get highlight {
+    return suffix2HighlightMap[highlightCode];
+  }
+
+  String? get highlightCode {
     if (this == null) return null;
-    final suffix = this!.split('.').last;
-    return _suffix2HighlightMap[suffix];
+    return this!.split('.').last;
   }
 }
diff --git a/lib/data/res/misc.dart b/lib/data/res/misc.dart
index 0c421bf0..3b3d6940 100644
--- a/lib/data/res/misc.dart
+++ b/lib/data/res/misc.dart
@@ -6,6 +6,9 @@ final numReg = RegExp(r'\s{1,}');
 /// Private Key max allowed size is 20kb
 const privateKeyMaxSize = 20 * 1024;
 
+// Editor max allowed size is 1mb
+const editorMaxSize = 1024 * 1024;
+
 /// Max debug log lines
 const maxDebugLogLines = 100;
 
diff --git a/lib/data/res/status.dart b/lib/data/res/status.dart
index b8f92efc..3a7c53c6 100644
--- a/lib/data/res/status.dart
+++ b/lib/data/res/status.dart
@@ -1,11 +1,11 @@
 import 'package:toolbox/data/model/server/temp.dart';
 
-import '../model/server/cpu_status.dart';
-import '../model/server/disk_info.dart';
+import '../model/server/cpu.dart';
+import '../model/server/disk.dart';
 import '../model/server/memory.dart';
 import '../model/server/net_speed.dart';
 import '../model/server/server_status.dart';
-import '../model/server/conn_status.dart';
+import '../model/server/conn.dart';
 
 Memory get _initMemory => Memory(
       total: 1,
@@ -23,7 +23,7 @@ OneTimeCpuStatus get _initOneTimeCpuStatus => OneTimeCpuStatus(
       0,
       0,
     );
-CpuStatus get initCpuStatus => CpuStatus(
+Cpus get initCpuStatus => Cpus(
       [_initOneTimeCpuStatus],
       [_initOneTimeCpuStatus],
     );
@@ -48,7 +48,7 @@ ServerStatus get initStatus => ServerStatus(
       sysVer: 'Loading...',
       uptime: '',
       disk: [
-        DiskInfo(
+        Disk(
           path: '/',
           loc: '/',
           usedPercent: 0,
@@ -57,7 +57,7 @@ ServerStatus get initStatus => ServerStatus(
           avail: '0',
         )
       ],
-      tcp: ConnStatus(maxConn: 0, active: 0, passive: 0, fail: 0),
+      tcp: Conn(maxConn: 0, active: 0, passive: 0, fail: 0),
       netSpeed: initNetSpeed,
       swap: _initSwap,
       temps: Temperatures(),
diff --git a/lib/data/res/virtual_key.dart b/lib/data/res/virtual_key.dart
index 43d4d0f8..62f3dcad 100644
--- a/lib/data/res/virtual_key.dart
+++ b/lib/data/res/virtual_key.dart
@@ -10,9 +10,9 @@ final virtualKeys = [
   VirtualKey('Up', key: TerminalKey.arrowUp, icon: Icons.arrow_upward),
   VirtualKey('End', key: TerminalKey.end),
   VirtualKey(
-    'Del',
-    key: TerminalKey.delete,
-    icon: Icons.backspace,
+    'File',
+    func: VirtualKeyFunc.file,
+    icon: Icons.file_open,
   ),
   VirtualKey('Snippet', func: VirtualKeyFunc.snippet, icon: Icons.code),
   VirtualKey('Tab', key: TerminalKey.tab),
diff --git a/lib/l10n/app_de.arb b/lib/l10n/app_de.arb
index d7d9e08e..71bf0132 100644
--- a/lib/l10n/app_de.arb
+++ b/lib/l10n/app_de.arb
@@ -134,6 +134,7 @@
   "result": "Result",
   "run": "Ausführen",
   "save": "Speichern",
+  "saved": "Gerettet",
   "second": "s",
   "server": "Server",
   "serverTabConnecting": "Verbinden...",
diff --git a/lib/l10n/app_en.arb b/lib/l10n/app_en.arb
index 67cb02b0..398bde7a 100644
--- a/lib/l10n/app_en.arb
+++ b/lib/l10n/app_en.arb
@@ -134,6 +134,7 @@
   "result": "Result",
   "run": "Run",
   "save": "Save",
+  "saved": "Saved",
   "second": "s",
   "server": "Server",
   "serverTabConnecting": "Connecting...",
diff --git a/lib/l10n/app_zh.arb b/lib/l10n/app_zh.arb
index dd104a4e..29b8f55e 100644
--- a/lib/l10n/app_zh.arb
+++ b/lib/l10n/app_zh.arb
@@ -134,6 +134,7 @@
   "result": "结果",
   "run": "运行",
   "save": "保存",
+  "saved": "已保存",
   "second": "秒",
   "server": "服务器",
   "serverTabConnecting": "连接中...",
diff --git a/lib/l10n/app_zh_tw.arb b/lib/l10n/app_zh_tw.arb
index 9f0ca81f..08de02c7 100644
--- a/lib/l10n/app_zh_tw.arb
+++ b/lib/l10n/app_zh_tw.arb
@@ -134,6 +134,7 @@
   "result": "結果",
   "run": "運行",
   "save": "保存",
+  "saved": "已保存",
   "second": "秒",
   "server": "服務器",
   "serverTabConnecting": "連接中...",
diff --git a/lib/view/page/editor.dart b/lib/view/page/editor.dart
index 602995a7..073509ff 100644
--- a/lib/view/page/editor.dart
+++ b/lib/view/page/editor.dart
@@ -1,16 +1,22 @@
+import 'dart:io';
+
 import 'package:code_text_field/code_text_field.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter_gen/gen_l10n/l10n.dart';
 import 'package:flutter_highlight/theme_map.dart';
 import 'package:flutter_highlight/themes/monokai.dart';
 import 'package:toolbox/core/extension/navigator.dart';
+import 'package:toolbox/core/utils/misc.dart';
 import 'package:toolbox/data/res/highlight.dart';
 import 'package:toolbox/data/store/setting.dart';
 import 'package:toolbox/locator.dart';
 
+import '../widget/two_line_text.dart';
+
 class EditorPage extends StatefulWidget {
+  final String? path;
   final String? initCode;
-  final String? fileName;
-  const EditorPage({Key? key, this.initCode, this.fileName}) : super(key: key);
+  const EditorPage({Key? key, this.path, this.initCode}) : super(key: key);
 
   @override
   _EditorPageState createState() => _EditorPageState();
@@ -21,16 +27,30 @@ class _EditorPageState extends State<EditorPage> {
   late final _focusNode = FocusNode();
   final _setting = locator<SettingStore>();
   late Map<String, TextStyle> _codeTheme;
+  late S _s;
+  late String? _langCode;
 
   @override
   void initState() {
     super.initState();
-    _focusNode.requestFocus();
+    _langCode = widget.path.highlightCode;
     _controller = CodeController(
       text: widget.initCode,
-      language: widget.fileName.highlight,
+      language: suffix2HighlightMap[_langCode ?? 'plaintext'],
     );
     _codeTheme = themeMap[_setting.editorTheme.fetch()] ?? monokaiTheme;
+    if (widget.initCode == null && widget.path != null) {
+      File(widget.path!)
+          .readAsString()
+          .then((value) => _controller.text = value);
+    }
+    _focusNode.requestFocus();
+  }
+
+  @override
+  void didChangeDependencies() {
+    super.didChangeDependencies();
+    _s = S.of(context)!;
   }
 
   @override
@@ -45,23 +65,41 @@ class _EditorPageState extends State<EditorPage> {
     return Scaffold(
       backgroundColor: _codeTheme['root']!.backgroundColor,
       appBar: AppBar(
-        title: Text(widget.fileName ?? ''),
+        title: TwoLineText(up: getFileName(widget.path) ?? '', down: _s.editor),
         actions: [
-          IconButton(
-            icon: const Icon(Icons.done),
-            onPressed: () {
-              context.pop(_controller.text);
+          PopupMenuButton(
+            icon: const Icon(Icons.language),
+            onSelected: (value) {
+              _controller.language = suffix2HighlightMap[value];
             },
-          ),
+            initialValue: _langCode,
+            itemBuilder: (BuildContext context) {
+              return suffix2HighlightMap.keys.map((e) {
+                return PopupMenuItem(
+                  value: e,
+                  child: Text(e),
+                );
+              }).toList();
+            },
+          )
         ],
       ),
-      body: CodeTheme(
-        data: CodeThemeData(styles: _codeTheme),
-        child: CodeField(
-          controller: _controller,
-          textStyle: const TextStyle(fontFamily: 'SourceCode'),
+      body: SingleChildScrollView(
+        child: CodeTheme(
+          data: CodeThemeData(styles: _codeTheme),
+          child: CodeField(
+            focusNode: _focusNode,
+            controller: _controller,
+            textStyle: const TextStyle(fontFamily: 'SourceCode'),
+          ),
         ),
       ),
+      floatingActionButton: FloatingActionButton(
+        child: const Icon(Icons.done),
+        onPressed: () {
+          context.pop(_controller.text);
+        },
+      ),
     );
   }
 }
diff --git a/lib/view/page/server/detail.dart b/lib/view/page/server/detail.dart
index 300f5413..0d39f426 100644
--- a/lib/view/page/server/detail.dart
+++ b/lib/view/page/server/detail.dart
@@ -2,8 +2,8 @@ import 'package:flutter/material.dart';
 import 'package:flutter_gen/gen_l10n/l10n.dart';
 import 'package:provider/provider.dart';
 import 'package:toolbox/core/extension/order.dart';
-import 'package:toolbox/data/model/server/cpu_status.dart';
-import 'package:toolbox/data/model/server/disk_info.dart';
+import 'package:toolbox/data/model/server/cpu.dart';
+import 'package:toolbox/data/model/server/disk.dart';
 import 'package:toolbox/data/model/server/dist.dart';
 import 'package:toolbox/data/model/server/memory.dart';
 import 'package:toolbox/data/model/server/temp.dart';
@@ -118,7 +118,7 @@ class _ServerDetailPageState extends State<ServerDetailPage>
     );
   }
 
-  Widget _buildCPUView(CpuStatus cs) {
+  Widget _buildCPUView(Cpus cs) {
     return RoundRectCard(
       Padding(
         padding: roundRectCardPadding,
@@ -171,7 +171,7 @@ class _ServerDetailPageState extends State<ServerDetailPage>
     );
   }
 
-  Widget _buildCPUProgress(CpuStatus cs) {
+  Widget _buildCPUProgress(Cpus cs) {
     final children = <Widget>[];
     for (var i = 0; i < cs.coresCount; i++) {
       if (i == 0) continue;
@@ -288,7 +288,7 @@ class _ServerDetailPageState extends State<ServerDetailPage>
     );
   }
 
-  Widget _buildDiskView(List<DiskInfo> disk) {
+  Widget _buildDiskView(List<Disk> disk) {
     disk.removeWhere((e) {
       for (final ingorePath in _setting.diskIgnorePath.fetch()!) {
         if (e.path.startsWith(ingorePath)) return true;
diff --git a/lib/view/page/setting.dart b/lib/view/page/setting.dart
index 721ac25d..5cbb2d40 100644
--- a/lib/view/page/setting.dart
+++ b/lib/view/page/setting.dart
@@ -99,7 +99,7 @@ class _SettingPageState extends State<SettingPage> {
           _buildTitle('SSH'),
           _buildSSH(),
           // Editor
-          _buildTitle('Editor'),
+          _buildTitle(_s.editor),
           _buildEditor(),
           const SizedBox(height: 37),
         ],
@@ -535,17 +535,18 @@ class _SettingPageState extends State<SettingPage> {
           ),
           actions: [
             TextButton(
-                onPressed: () {
-                  context.pop();
-                  final fontSize = double.tryParse(ctrller.text);
-                  if (fontSize == null) {
-                    showRoundDialog(context: context, child: Text(_s.failed));
-                    return;
-                  }
-                  _fontSize = fontSize;
-                  _setting.termFontSize.put(_fontSize);
-                },
-                child: Text(_s.ok)),
+              onPressed: () {
+                context.pop();
+                final fontSize = double.tryParse(ctrller.text);
+                if (fontSize == null) {
+                  showRoundDialog(context: context, child: Text(_s.failed));
+                  return;
+                }
+                _fontSize = fontSize;
+                _setting.termFontSize.put(_fontSize);
+              },
+              child: Text(_s.ok),
+            ),
           ],
         );
       },
@@ -559,23 +560,25 @@ class _SettingPageState extends State<SettingPage> {
       trailing: Text(_s.edit, style: textSize15),
       onTap: () {
         showRoundDialog(
-            context: context,
-            child: Input(
-              controller: TextEditingController(text: json.encode(paths)),
-              label: 'JSON',
-              type: TextInputType.visiblePassword,
-              maxLines: 3,
-              onSubmitted: (p0) {
-                try {
-                  final list = List<String>.from(json.decode(p0));
-                  _setting.diskIgnorePath.put(list);
-                  context.pop();
-                  showSnackBar(context, Text(_s.success));
-                } catch (e) {
-                  showSnackBar(context, Text(e.toString()));
-                }
-              },
-            ));
+          context: context,
+          title: Text(_s.diskIgnorePath),
+          child: Input(
+            controller: TextEditingController(text: json.encode(paths)),
+            label: 'JSON',
+            type: TextInputType.visiblePassword,
+            maxLines: 3,
+            onSubmitted: (p0) {
+              try {
+                final list = List<String>.from(json.decode(p0));
+                _setting.diskIgnorePath.put(list);
+                context.pop();
+                showSnackBar(context, Text(_s.success));
+              } catch (e) {
+                showSnackBar(context, Text(e.toString()));
+              }
+            },
+          ),
+        );
       },
     );
   }
@@ -641,7 +644,6 @@ class _SettingPageState extends State<SettingPage> {
             _editorTheme = idx;
           });
           _setting.editorTheme.put(idx);
-          _showRestartSnackbar();
         },
         child: Text(
           _editorTheme,
diff --git a/lib/view/page/sftp/downloaded.dart b/lib/view/page/sftp/downloaded.dart
index 7555f60f..0b29adc2 100644
--- a/lib/view/page/sftp/downloaded.dart
+++ b/lib/view/page/sftp/downloaded.dart
@@ -3,7 +3,9 @@ import 'dart:io';
 import 'package:flutter/material.dart';
 import 'package:flutter_gen/gen_l10n/l10n.dart';
 import 'package:toolbox/core/extension/navigator.dart';
+import 'package:toolbox/data/res/misc.dart';
 import 'package:toolbox/view/page/editor.dart';
+import 'package:toolbox/view/widget/input_field.dart';
 
 import '../../../core/extension/numx.dart';
 import '../../../core/extension/stringx.dart';
@@ -141,6 +143,55 @@ class _SFTPDownloadedPageState extends State<SFTPDownloadedPage> {
       child: Column(
         mainAxisSize: MainAxisSize.min,
         children: [
+          ListTile(
+            leading: const Icon(Icons.edit),
+            title: Text(_s.edit),
+            onTap: () async {
+              context.pop();
+              final stat = await file.stat();
+              if (stat.size > editorMaxSize) {
+                showRoundDialog(
+                  context: context,
+                  child: Text(_s.fileTooLarge(fileName, stat.size, '1m')),
+                );
+                return;
+              }
+              final f = File(file.absolute.path);
+              final data = await f.readAsString();
+              final result = await AppRoute(
+                EditorPage(
+                  initCode: data,
+                  path: fileName,
+                ),
+                'sftp dled editor',
+              ).go<String>(context);
+              if (result != null) {
+                f.writeAsString(result);
+                showSnackBar(context, Text(_s.saved));
+                setState(() {});
+              }
+            },
+          ),
+          ListTile(
+            leading: const Icon(Icons.abc),
+            title: Text(_s.rename),
+            onTap: () {
+              context.pop();
+              showRoundDialog(
+                context: context,
+                title: Text(_s.rename),
+                child: Input(
+                  controller: TextEditingController(text: fileName),
+                  onSubmitted: (p0) {
+                    context.pop();
+                    final newPath = '${file.parent.path}/$p0';
+                    file.renameSync(newPath);
+                    setState(() {});
+                  },
+                ),
+              );
+            },
+          ),
           ListTile(
             leading: const Icon(Icons.delete),
             title: Text(_s.delete),
@@ -173,31 +224,8 @@ class _SFTPDownloadedPageState extends State<SFTPDownloadedPage> {
               shareFiles(context, [file.absolute.path]);
             },
           ),
-          ListTile(
-            leading: const Icon(Icons.edit),
-            title: Text(_s.edit),
-            onTap: () async {
-              context.pop();
-              final stat = await file.stat();
-              if (stat.size > 1024 * 1024) {
-                showRoundDialog(
-                  context: context,
-                  child: Text(_s.fileTooLarge(fileName, stat.size, '1m')),
-                );
-                return;
-              }
-              final f = await File(file.absolute.path).readAsString();
-              AppRoute(EditorPage(initCode: f), 'sftp dled editor').go(context);
-            },
-          )
         ],
       ),
-      actions: [
-        TextButton(
-          onPressed: (() => context.pop()),
-          child: Text(_s.close),
-        )
-      ],
     );
   }
 }
diff --git a/lib/view/page/sftp/view.dart b/lib/view/page/sftp/view.dart
index d2bf29b1..370acd19 100644
--- a/lib/view/page/sftp/view.dart
+++ b/lib/view/page/sftp/view.dart
@@ -1,13 +1,18 @@
+import 'dart:io';
 import 'dart:typed_data';
 
 import 'package:dartssh2/dartssh2.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_gen/gen_l10n/l10n.dart';
 import 'package:toolbox/core/extension/navigator.dart';
+import 'package:toolbox/core/extension/sftpfile.dart';
+import 'package:toolbox/data/res/misc.dart';
+import 'package:toolbox/view/page/editor.dart';
 
 import '../../../core/extension/numx.dart';
 import '../../../core/extension/stringx.dart';
 import '../../../core/route.dart';
+import '../../../core/utils/misc.dart';
 import '../../../core/utils/ui.dart';
 import '../../../data/model/server/server.dart';
 import '../../../data/model/server/server_private_info.dart';
@@ -39,7 +44,7 @@ class _SFTPPageState extends State<SFTPPage> {
 
   late S _s;
 
-  Server? _si;
+  ServerState? _state;
   SSHClient? _client;
 
   @override
@@ -52,8 +57,8 @@ class _SFTPPageState extends State<SFTPPage> {
   void initState() {
     super.initState();
     final serverProvider = locator<ServerProvider>();
-    _si = serverProvider.servers[widget.spi.id];
-    _client = _si?.client;
+    _client = serverProvider.servers[widget.spi.id]?.client;
+    _state = serverProvider.servers[widget.spi.id]?.state;
   }
 
   @override
@@ -92,7 +97,7 @@ class _SFTPPageState extends State<SFTPPage> {
                 IconButton(
                   padding: const EdgeInsets.all(0),
                   onPressed: () async {
-                    await backward();
+                    await _backward();
                   },
                   icon: const Icon(Icons.arrow_back),
                 ),
@@ -116,11 +121,11 @@ class _SFTPPageState extends State<SFTPPage> {
                 ListTile(
                     leading: const Icon(Icons.folder),
                     title: Text(_s.createFolder),
-                    onTap: () => mkdir(context)),
+                    onTap: () => _mkdir(context)),
                 ListTile(
                     leading: const Icon(Icons.insert_drive_file),
                     title: Text(_s.createFile),
-                    onTap: () => newFile(context)),
+                    onTap: () => _newFile(context)),
               ],
             ),
             actions: [
@@ -163,14 +168,14 @@ class _SFTPPageState extends State<SFTPPage> {
           return;
         }
         _status.path?.update(p!);
-        listDir(path: p);
+        _listDir(path: p);
       },
       icon: const Icon(Icons.gps_fixed),
     );
   }
 
   Widget _buildFileView() {
-    if (_client == null || _si?.state != ServerState.connected) {
+    if (_client == null || _state != ServerState.connected) {
       return centerLoading;
     }
 
@@ -180,7 +185,7 @@ class _SFTPPageState extends State<SFTPPage> {
 
     if (_status.files == null) {
       _status.path = AbsolutePath('/');
-      listDir(path: '/', client: _client);
+      _listDir(path: '/', client: _client);
       return centerLoading;
     } else {
       return RefreshIndicator(
@@ -196,7 +201,7 @@ class _SFTPPageState extends State<SFTPPage> {
                 leading: Icon(isDir ? Icons.folder : Icons.insert_drive_file),
                 title: Text(file.filename),
                 trailing: Text(
-                  '${getTime(file.attr.modifyTime)}\n${getMode(file.attr.mode)}',
+                  '${getTime(file.attr.modifyTime)}\n${file.attr.mode?.str ?? ''}',
                   style: const TextStyle(color: Colors.grey),
                   textAlign: TextAlign.right,
                 ),
@@ -205,80 +210,105 @@ class _SFTPPageState extends State<SFTPPage> {
                 onTap: () {
                   if (isDir) {
                     _status.path?.update(file.filename);
-                    listDir(path: _status.path?.path);
+                    _listDir(path: _status.path?.path);
                   } else {
-                    onItemPress(context, file, true);
+                    _onItemPress(context, file, true);
                   }
                 },
-                onLongPress: () => onItemPress(context, file, false),
+                onLongPress: () => _onItemPress(context, file, false),
               );
             },
           ),
         ),
-        onRefresh: () => listDir(path: _status.path?.path),
+        onRefresh: () => _listDir(path: _status.path?.path),
       );
     }
   }
 
-  String getTime(int? unixMill) {
-    return DateTime.fromMillisecondsSinceEpoch((unixMill ?? 0) * 1000)
-        .toString()
-        .replaceFirst('.000', '');
-  }
-
-  String getMode(SftpFileMode? mode) {
-    if (mode == null) {
-      return '---';
-    }
-
-    final user = getRoleMode(mode.userRead, mode.userWrite, mode.userExecute);
-    final group =
-        getRoleMode(mode.groupRead, mode.groupWrite, mode.groupExecute);
-    final other =
-        getRoleMode(mode.otherRead, mode.otherWrite, mode.otherExecute);
-
-    return '$user$group$other';
-  }
-
-  String getRoleMode(bool r, bool w, bool x) {
-    return '${r ? 'r' : '-'}${w ? 'w' : '-'}${x ? 'x' : '-'}';
-  }
-
-  void onItemPress(BuildContext context, SftpName file, bool showDownload) {
+  void _onItemPress(BuildContext context, SftpName file, bool notDir) {
     showRoundDialog(
       context: context,
       child: Column(
         mainAxisSize: MainAxisSize.min,
         children: [
+          notDir
+              ? ListTile(
+                  leading: const Icon(Icons.edit),
+                  title: Text(_s.edit),
+                  onTap: () => _edit(context, file),
+                )
+              : placeholder,
           ListTile(
             leading: const Icon(Icons.delete),
             title: Text(_s.delete),
-            onTap: () => delete(context, file),
+            onTap: () => _delete(context, file),
           ),
           ListTile(
-            leading: const Icon(Icons.edit),
+            leading: const Icon(Icons.abc),
             title: Text(_s.rename),
-            onTap: () => rename(context, file),
+            onTap: () => _rename(context, file),
           ),
-          showDownload
+          notDir
               ? ListTile(
                   leading: const Icon(Icons.download),
                   title: Text(_s.download),
-                  onTap: () => download(context, file),
+                  onTap: () => _download(context, file),
                 )
-              : placeholder
+              : placeholder,
         ],
       ),
-      actions: [
-        TextButton(
-          onPressed: () => context.pop(),
-          child: Text(_s.cancel),
-        )
-      ],
     );
   }
 
-  void download(BuildContext context, SftpName name) {
+  Future<void> _edit(BuildContext context, SftpName name) async {
+    final size = name.attr.size;
+    if (size == null || size > editorMaxSize) {
+      showSnackBar(
+          context,
+          Text(_s.fileTooLarge(
+            name.filename,
+            size ?? 0,
+            editorMaxSize,
+          )));
+      return;
+    }
+
+    final file = await _status.client!.open(
+      _getRemotePath(name),
+      mode: SftpFileOpenMode.read | SftpFileOpenMode.write,
+    );
+    final localPath = '${(await sftpDir).path}${_getRemotePath(name)}';
+    await Directory(localPath.substring(0, localPath.lastIndexOf('/')))
+        .create(recursive: true);
+    final local = File(localPath);
+    if (await local.exists()) {
+      await local.delete();
+    }
+    final localFile = local.openWrite(mode: FileMode.append);
+    const defaultChunkSize = 1024 * 1024;
+    final chunkSize = size > defaultChunkSize ? defaultChunkSize : size;
+    for (var i = 0; i < size; i += chunkSize) {
+      final fileData = file.read(length: chunkSize);
+      await for (var form in fileData) {
+        localFile.add(form);
+      }
+    }
+    await localFile.close();
+    context.pop();
+
+    final result = await AppRoute(
+      EditorPage(path: localPath),
+      'SFTP edit',
+    ).go<String>(context);
+    if (result != null) {
+      await local.writeAsString(result);
+      await file.writeBytes(result.uint8List);
+      showSnackBar(context, Text(_s.saved));
+    }
+    await file.close();
+  }
+
+  void _download(BuildContext context, SftpName name) {
     showRoundDialog(
       context: context,
       child: Text('${_s.dl2Local(name.filename)}\n${_s.keepForeground}'),
@@ -313,7 +343,7 @@ class _SFTPPageState extends State<SFTPPage> {
     );
   }
 
-  void delete(BuildContext context, SftpName file) {
+  void _delete(BuildContext context, SftpName file) {
     context.pop();
     final isDir = file.attr.isDirectory;
     final dirText = isDir ? '\n${_s.sureDirEmpty}' : '';
@@ -358,7 +388,7 @@ class _SFTPPageState extends State<SFTPPage> {
               );
               return;
             }
-            listDir();
+            _listDir();
           },
           child: Text(
             _s.delete,
@@ -369,7 +399,7 @@ class _SFTPPageState extends State<SFTPPage> {
     );
   }
 
-  void mkdir(BuildContext context) {
+  void _mkdir(BuildContext context) {
     context.pop();
     final textController = TextEditingController();
     showRoundDialog(
@@ -402,7 +432,7 @@ class _SFTPPageState extends State<SFTPPage> {
             _status.client!
                 .mkdir('${_status.path!.path}/${textController.text}');
             context.pop();
-            listDir();
+            _listDir();
           },
           child: Text(
             _s.ok,
@@ -413,7 +443,7 @@ class _SFTPPageState extends State<SFTPPage> {
     );
   }
 
-  void newFile(BuildContext context) {
+  void _newFile(BuildContext context) {
     context.pop();
     final textController = TextEditingController();
     showRoundDialog(
@@ -447,7 +477,7 @@ class _SFTPPageState extends State<SFTPPage> {
                     .open('${_status.path!.path}/${textController.text}'))
                 .writeBytes(Uint8List(0));
             context.pop();
-            listDir();
+            _listDir();
           },
           child: Text(
             _s.ok,
@@ -458,7 +488,7 @@ class _SFTPPageState extends State<SFTPPage> {
     );
   }
 
-  void rename(BuildContext context, SftpName file) {
+  void _rename(BuildContext context, SftpName file) {
     context.pop();
     final textController = TextEditingController();
     showRoundDialog(
@@ -487,7 +517,7 @@ class _SFTPPageState extends State<SFTPPage> {
             }
             await _status.client!.rename(file.filename, textController.text);
             context.pop();
-            listDir();
+            _listDir();
           },
           child: Text(
             _s.rename,
@@ -503,7 +533,7 @@ class _SFTPPageState extends State<SFTPPage> {
     return prePath + (prePath.endsWith('/') ? '' : '/') + name.filename;
   }
 
-  Future<void> listDir({String? path, SSHClient? client}) async {
+  Future<void> _listDir({String? path, SSHClient? client}) async {
     if (_status.isBusy) {
       return;
     }
@@ -535,13 +565,13 @@ class _SFTPPageState extends State<SFTPPage> {
           )
         ],
       );
-      await backward();
+      await _backward();
     }
   }
 
-  Future<void> backward() async {
+  Future<void> _backward() async {
     if (_status.path!.undo()) {
-      await listDir();
+      await _listDir();
     }
   }
 }
diff --git a/lib/view/page/ssh.dart b/lib/view/page/ssh.dart
index c10d6c77..45f17be2 100644
--- a/lib/view/page/ssh.dart
+++ b/lib/view/page/ssh.dart
@@ -228,6 +228,9 @@ class _SSHPageState extends State<SSHPage> {
           _terminal.keyInput(TerminalKey.enter);
         });
         break;
+      case VirtualKeyFunc.file:
+        // TODO
+        showRoundDialog(context: context, child: const Text('TODO'));
     }
   }